Installing a simple 1 600 sq ft.
Roof replacement cost per square foot.
Roofing over costs around 2 to 3 per square foot as opposed to the average full replacement cost of 4 50 so roofing over a 1 500 square foot roof may only cost 3 000 to 4 500.
That said on average most contractors will charge between 3 50 and 5 50 per square foot or 350 to 550 per square 100 sq ft to install or replace an asphalt shingle roof on a typical house.
The cost per square foot for a wood shingle roof is between 6 37 and 8 77.
This can vary based on geographic location and labor rates in your area.
You can quickly estimate flat roof replacement costs for the following materials.
The average cost to replace a flat roof is 5 10 per square foot.
That equates to about 1 274 to 1 754 per 200 square feet or for two squares.
Most roofers will charge somewhere around 300 per square for labor.
A recent quote from home depot for replacing a 2 000 square foot roof with a new asphalt roof was 21 481 which is 1 074 per square or 10 74 per square foot.
Roofing over does present some issues however.
Another quote from lowe s for a 1 650 square foot home was 16 800 which is 1 018 per square or 10 18 per square foot.
Installing a new roof is a time intensive project and labor costs account for a significant amount of the total installation price.
Or 450 per square to replace an asphalt shingle roof on a typical single family house.